---
id: CVE-2025-71438
title: >-
  An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in GPAC
  Project/MP4Box before v26.07.0 allows attackers to cause a Denial of Service
  (DoS) via supplying a crafted AC4 file.
summary: >-
  An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in GPAC
  Project/MP4Box before v26.07.0 allows attackers to cause a Denial of Service
  (DoS) via supplying a crafted AC4 file.
severity: none
published: '2026-10-21'
updated: '2026-10-21'
sourceUpdated: '2026-10-21T13:55:36.044Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-71438'
references:
  - url: >-
      https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/50/50_gf_odf_ac4_cfg_dsi_v1_odf_descriptors_c_2179
  - url: 'https://github.com/gpac/gpac/issues/3303'
  - url: >-
      https://github.com/gpac/gpac/commit/13eb5b76560aaf7813b865a2ad433258478e2695
tags:
  - cve.org
ingestedAt: '2026-10-21T15:02:42.109Z'
---

## Overview

An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in GPAC Project/MP4Box before v26.07.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AC4 file.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.